TononixOS/ubports_kernel_google_msm
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[BRIDGE]: drop PAUSE frames

Browse Source 
Pause frames should never make it out of the network device into
the stack. But if a device was misconfigured, it might happen.
So drop pause frames in bridge.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger
2007-04-25 22:05:55 -07:00
committed by David S. Miller
parent 83aa0938ff
commit 2111f8b9e5
2 changed files with 7 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
net/bridge/br_input.c
View File

@@ -131,9 +131,14 @@ struct sk_buff *br_handle_frame(struct net_bridge_port *p, struct sk_buff *skb)
if (!is_valid_ether_addr(eth_hdr(skb)->h_source))
goto drop;
if (unlikely(is_link_local(dest)))
if (unlikely(is_link_local(dest))) {
/* Pause frames shouldn't be passed up by driver anyway */
if (skb->protocol == htons(ETH_P_PAUSE))
goto drop;
return (NF_HOOK(PF_BRIDGE, NF_BR_LOCAL_IN, skb, skb->dev,
NULL, br_handle_local_finish) == 0) ? skb : NULL;
}
switch (p->state) {
case BR_STATE_FORWARDING: